262
FNCA52 TJSJ 110730
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 AM AST SUN OCT 11 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-112000-
SOUTHEAST COASTAL PLAINS-
330 AM AST SUN OCT 11 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 20 50
TEMP (24H TREND) 89 (-1) 73 (-2) 89
RH % (24H TREND) 54 (-8) 93 (+6) 52
WIND 20FT/EARLY(MPH) E 17 E 11 E 12
WIND 20FT/LATE(MPH) E 16 NE 10 E 13
MIXING HGT(FT-AGL/MSL)4850 4850
TRANSPORT WND (MPH) E 18 E 13
VENT RATE (KT-FT) 77600 53350
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ015-112000-
SOUTHERN HILLS-
330 AM AST SUN OCT 11 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 30 20 70
TEMP (24H TREND) 87 (+2) 69 (-3) 87
RH % (24H TREND) 63 (-4) 98 (+6) 64
WIND 20FT/EARLY(MPH) E 12 E 10 E 11
WIND 20FT/LATE(MPH) SE 12 NE 11 E 10
MIXING HGT(FT-AGL/MSL)5490 5770
TRANSPORT WND (MPH) E 18 E 12
VENT RATE (KT-FT) 87840 57700
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ016-112000-
NORTH COASTAL PLAINS-
330 AM AST SUN OCT 11 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 50 20 60
TEMP (24H TREND) 90 (+2) 72 (-3) 90
RH % (24H TREND) 61 (-7) 96 (+4) 64
WIND 20FT/EARLY(MPH) E 14 E 14 E 11
WIND 20FT/LATE(MPH) E 18 SE 11 E 14
MIXING HGT(FT-AGL/MSL)5250 4940
TRANSPORT WND (MPH) E 17 E 13
VENT RATE (KT-FT) 78750 54340
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ017-112000-
NORTHERN HILLS-
330 AM AST SUN OCT 11 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 70 10 80
TEMP (24H TREND) 89 (+2) 70 (-3) 89
RH % (24H TREND) 61 (-6) 98 (+5) 65
WIND 20FT/EARLY(MPH) E 11 E 12 E 10
WIND 20FT/LATE(MPH) E 16 SE 9 E 12
MIXING HGT(FT-AGL/MSL)6140 5910
TRANSPORT WND (MPH) E 14 E 10
VENT RATE (KT-FT) 73680 53190
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ018-112000-
WEST COAST-
330 AM AST SUN OCT 11 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 50 10 60
TEMP (24H TREND) 90 (-1) 72 (-1) 91
RH % (24H TREND) 62 (-3) 95 (+2) 63
WIND 20FT/EARLY(MPH) E 13 E 13 E 10
WIND 20FT/LATE(MPH) E 14 E 11 E 11
MIXING HGT(FT-AGL/MSL)4830 4780
TRANSPORT WND (MPH) E 15 SE 9
VENT RATE (KT-FT) 62790 38240
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ019-112000-
EASTERN INTERIOR-
330 AM AST SUN OCT 11 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 60 30 60
TEMP (24H TREND) 88 (+1) 71 (-3) 88
RH % (24H TREND) 62 (-5) 98 (+4) 63
WIND 20FT/EARLY(MPH) SE 13 E 11 E 11
WIND 20FT/LATE(MPH) SE 13 E 12 E 10
MIXING HGT(FT-AGL/MSL)5630 5830
TRANSPORT WND (MPH) E 17 E 12
VENT RATE (KT-FT) 84450 58300
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ022-112000-
LUQUILLO MOUNTAIN RANGE-
330 AM AST SUN OCT 11 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 60 40 60
TEMP (24H TREND) 84 (+3) 70 (-2) 84
RH % (24H TREND) 67 (-5) 100 (+3) 67
WIND 20FT/EARLY(MPH) SE 12 E 9 E 9
WIND 20FT/LATE(MPH) E 12 E 9 E 9
MIXING HGT(FT-AGL/MSL)4010 3690
TRANSPORT WND (MPH) E 17 E 13
VENT RATE (KT-FT) 60150 40590
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ023-112000-
CENTRAL MOUNTAIN RANGE-
330 AM AST SUN OCT 11 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 60 10 80
TEMP (24H TREND) 86 (+4) 67 (-3) 86
RH % (24H TREND) 63 (-9) 98 (+5) 66
WIND 20FT/EARLY(MPH) E 10 E 8 E 8
WIND 20FT/LATE(MPH) SE 10 E 8 E 8
MIXING HGT(FT-AGL/MSL)6740 6690
TRANSPORT WND (MPH) E 14 E 9
VENT RATE (KT-FT) 80880 53520
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ024-112000-
CAYEY MOUNTAIN RANGE-
330 AM AST SUN OCT 11 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 30 50
TEMP (24H TREND) 84 (+1) 69 (-2) 84
RH % (24H TREND) 67 (-2) 100 (+3) 66
WIND 20FT/EARLY(MPH) E 11 E 8 E 9
WIND 20FT/LATE(MPH) E 11 E 9 E 9
MIXING HGT(FT-AGL/MSL)4690 4600
TRANSPORT WND (MPH) E 18 E 12
VENT RATE (KT-FT) 75040 46000
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ025-112000-
VIEQUES-
330 AM AST SUN OCT 11 2026
TODAY TONIGHT MON
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 60 50 60
TEMP (24H TREND) 89 (0) 77 (0) 89
RH % (24H TREND) 59 (-3) 90 (+2) 60
WIND 20FT/EARLY(MPH) E 16 E 13 E 13
WIND 20FT/LATE(MPH) E 14 E 14 E 11
MIXING HGT(FT-AGL/MSL)3710 3460
TRANSPORT WND (MPH) E 17 E 14
VENT RATE (KT-FT) 55650 41520
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ026-112000-
CULEBRA-
330 AM AST SUN OCT 11 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 60 50 60
TEMP (24H TREND) 89 (+1) 78 (-2) 90
RH % (24H TREND) 61 (-3) 88 (+3) 61
WIND 20FT/EARLY(MPH) E 16 E 13 E 13
WIND 20FT/LATE(MPH) E 14 E 14 E 11
MIXING HGT(FT-AGL/MSL)3620 3430
TRANSPORT WND (MPH) E 17 E 13
VENT RATE (KT-FT) 54300 37730
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ027-112000-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 AM AST SUN OCT 11 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 10 40
TEMP (24H TREND) 91 (0) 73 (-2) 91
RH % (24H TREND) 53 (-7) 89 (+3) 52
WIND 20FT/EARLY(MPH) E 19 E 17 E 14
WIND 20FT/LATE(MPH) E 20 E 14 SE 17
MIXING HGT(FT-AGL/MSL)5000 5150
TRANSPORT WND (MPH) E 21 E 15
VENT RATE (KT-FT) 90000 66950
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ001-112000-
SAINT THOMAS AND SAINT JOHN-
330 AM AST SUN OCT 11 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 50 50
TEMP (24H TREND) 87 (+1) 76 (-3) 87
RH % (24H TREND) 64 (-3) 91 (+6) 66
WIND 20FT/EARLY(MPH) E 16 E 14 E 13
WIND 20FT/LATE(MPH) E 14 E 14 E 12
MIXING HGT(FT-AGL/MSL)3680 3420
TRANSPORT WND (MPH) E 18 E 15
VENT RATE (KT-FT) 58880 44460
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ002-112000-
ST CROIX-
330 AM AST SUN OCT 11 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 50 50
TEMP (24H TREND) 88 (0) 77 (-2) 88
RH % (24H TREND) 64 (-3) 92 (+3) 66
WIND 20FT/EARLY(MPH) E 14 E 14 E 12
WIND 20FT/LATE(MPH) E 16 E 14 E 11
MIXING HGT(FT-AGL/MSL)4430 4340
TRANSPORT WND (MPH) E 21 E 15
VENT RATE (KT-FT) 79740 56420
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
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